diff --git a/openid-connect-server/src/test/java/org/mitre/openid/connect/util/TestJWSUtils.java b/openid-connect-server/src/test/java/org/mitre/openid/connect/util/TestJWSUtils.java
index fe2fc1bc4..521ed4a9b 100644
--- a/openid-connect-server/src/test/java/org/mitre/openid/connect/util/TestJWSUtils.java
+++ b/openid-connect-server/src/test/java/org/mitre/openid/connect/util/TestJWSUtils.java
@@ -1,39 +1,56 @@
 package org.mitre.openid.connect.util;
 
 
+import static org.junit.Assert.assertEquals;
 import net.minidev.json.JSONObject;
 
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mitre.oauth2.model.OAuth2AccessTokenEntity;
+import org.mockito.Mock;
+import org.mockito.Mockito;
 import org.mockito.runners.MockitoJUnitRunner;
 
 import com.nimbusds.jose.JWSAlgorithm;
+import com.nimbusds.jose.util.Base64;
 import com.nimbusds.jose.util.Base64URL;
 import com.nimbusds.jwt.JWTClaimsSet;
+import com.nimbusds.jwt.PlainJWT;
 
 @RunWith(MockitoJUnitRunner.class)
 public class TestJWSUtils {
 	
+	@Mock
+	OAuth2AccessTokenEntity mockToken256;
+	
 	@Before
 	public void prepare() {
 		
+		JWTClaimsSet claims = new JWTClaimsSet();
+		claims.setType("JWT");
+		claims.setClaim("alg", "HS256");
+		
+		claims.setIssuer("www.example.com");
+		claims.setSubject("example_user");
+		
+		
+		Mockito.when(mockToken256.getJwt()).thenReturn(new PlainJWT(claims));
 	}
 	
 	@Test
-	public void compute_hs256_at_hash() {
-		JWTClaimsSet jwt = new JWTClaimsSet();
-		jwt.setType("JWT");
-		jwt.setClaim("alg", "HS256");
-		JSONObject jwtObj = jwt.toJSONObject();
-		String jwtString = jwtObj.toJSONString();
-		byte[] jwtBytes = jwtString.getBytes();
+	public void getAccessTokenHash256() {
 		
-		Base64URL signedJwt = JWSUtils.getHash(JWSAlgorithm.HS256, jwtBytes);
+		/*
+		 ascii of token = eyJhbGciOiJub25lIn0.eyJhbGciOiJIUzI1NiIsInN1YiI6ImV4YW1wbGVfdXNlciIsImlzcyI6Ind3dy5leGFtcGxlLmNvbSIsInR5cCI6IkpXVCJ9.
+		 base64url of hash = EP1gXNeESRH-n57baopfTQ
+		 */
+		String token = mockToken256.getJwt().serialize(); // this line is here for debugging purposes
+		Base64URL expectedHash = new Base64URL("EP1gXNeESRH-n57baopfTQ");
 		
+		Base64URL resultHash = JWSUtils.getAccessTokenHash(JWSAlgorithm.HS256, mockToken256);
 		
+		assertEquals(expectedHash, resultHash);
 	}
 	
-	
-	
 }